Zero point drift compensating flowmeter

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United States of America Patent

PATENT NO 9689729
SERIAL NO

14438197

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Abstract

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A small and light-weight flowmeter realizes the compensation of a zero point drift. A mass flowmeter includes: a centrifugal force/centripetal force detection strain gauge adhered to a part acted upon by a centrifugal force or a centripetal force of fluid in a pipe line in which the fluid flows and a flow rate zero point drift compensation strain gauge adhered to a position different from that of the centrifugal force/centripetal force detection strain gauge. A pulse wave propagation time between the two points is used to compensate a zero point drift of a flow rate.

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Patent Owner(s)

  • NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fukuda, Kyouhei Tsukuba, JP 2 9
Kosaka, Ryo Tsukuba, JP 24 572
Yamane, Takashi Tsukuba, JP 108 940

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